The damp autumn air smelled of wet earth and pine needles as the metal detector emitted a sharp, high-pitched tone. Maya's pulse quickened. She knelt in the thick soil of Birch Ridge Forest, set her equipment aside, and carefully scraped away the dark dirt with a small hand trowel.
A few centimeters down, the blade struck something remarkably hard and solid. Maya set the blade aside and used her bare fingers to gently pry the object free from the tight ground. It was a coin, but entirely wrong—far thicker and heavier than any modern currency, with a distinct round hole punched straight through its center.
Wiping away a layer of soil, she tilted the dark, greenish bronze metal toward the dim forest sunlight. Two faint human figures appeared to stand face-to-face, surrounded by mysterious, unrecognizable symbols. As she stared at the strange object, a sudden chill ran down her spine…